Suppose you take a few measurements of a time-varying signal. Let’s say for concreteness that you have a microcontroller that reads some voltage 100 times per second. Collecting a bunch of data points ...

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A look at the Nyquist sampling theorem. How to deal with aliasing by attenuating signals using low-pass filters (i.e., an antialiasing filter, or AAF). AAF requirements for different ADCs. A deep dive ...

Sub-Nyquist sampling and Finite Rate of Innovation (FRI) signal processing represent a paradigm shift in the acquisition and reconstruction of signals. Traditional sampling theories require adherence ...

Continuous-time sigma-delta (CTΣΔ) analog-to-digital (A/D) conversion technology is challenging the conventional wisdom that pipeline A/D conversion is the only technique available for high dynamic ...

When selecting an ADC for high-frequency applications, you should recall that the sampling rate must be two or more times the bandwidth of the signal to be digitized. Such a sampling rate is called ...